import random

def generate_test_case(length_range=(1, 100), num_range=(0, 10**9)):
    """生成单个测试用例"""
    length = random.randint(*length_range)
    return [random.randint(*num_range) for _ in range(length)]

def generate_test_cases(num_cases=5):
    """生成多个测试用例"""
    return [generate_test_case() for _ in range(num_cases)]

if __name__ == "__main__":
    cases = generate_test_cases(3)
    for i, case in enumerate(cases):
        print(f"测试用例 {i+1}: {case}")